IOPerf results

Results were obtained using a 8 kByte buffer, 50000 IO 1 pass. The test order in that table is :

IO test on individual partition (one at a time)
One IO thread per volume (here 5), each volume shown
Parralele IO (10 threads per partition)

Block IO Character Random

fwrite fread putc getc seek

Machine/FS KB KB/sec Real KB/sec CPU %CPU KB/sec Real KB/sec CPU %CPU KB/sec Real KB/sec CPU %CPU KB/sec Real KB/sec CPU %CPU KB/sec Real KB/sec CPU %CPU

_star_test00_ 400000 15929.91 16025.64 99.40 47281.32 47281.32 100.00 3087.85 3091.91 99.87 3324.47 3333.61 99.73 503.38 505.99 99.48

_star_test01_ 400000 15692.43 16038.49 97.84 44296.79 44395.12 99.78 2863.48 2989.54 95.78 3320.05 3326.13 99.82 512.63 512.63 100.00

_star_test02_ 400000 15898.25 15917.23 99.88 47904.19 47904.19 100.00 3079.05 3093.82 99.52 3339.18 3340.57 99.96 495.72 495.72 100.00

_star_test03_ 400000 15649.45 16025.64 97.65 46728.97 46728.97 100.00 3095.74 3096.93 99.96 3340.01 3340.85 99.97 511.29 511.29 100.00

_star_test04_ 400000 15829.05 15866.72 99.76 46674.45 46674.45 100.00 3092.39 3093.10 99.98 3336.39 3337.78 99.96 512.63 512.63 100.00

P_star_test00_test_ 400000 13764.62 14487.50 95.01 14942.10 29563.93 50.54 2405.44 3005.26 80.04 2455.19 3222.95 76.18 417.33 503.38 82.91

P_star_test01_test_ 400000 10896.21 13774.10 79.11 13080.44 28228.65 46.34 2335.90 3005.49 77.72 2477.55 3203.07 77.35 516.70 516.70 100.00

P_star_test02_test_ 400000 12161.75 13637.91 89.18 13067.62 27991.60 46.68 2370.37 3015.68 78.60 2575.49 3188.78 80.77 494.46 494.46 100.00

P_star_test03_test_ 400000 10065.43 13642.56 73.78 14347.20 29585.80 48.49 2278.81 3025.72 75.31 2621.40 3215.95 81.51 499.52 504.68 98.98

P_star_test04_test_ 400000 10060.36 13490.73 74.57 15390.53 31923.38 48.21 2316.02 3023.89 76.59 2560.49 3205.13 79.89 483.45 522.23 92.57

_star_test01_test_ 400000 5035.11 13944.03 36.12 6100.10 24830.92 24.57 1171.17 3030.91 38.65 1273.36 3190.93 39.91 329.30 488.92 67.35

_star_test02_test_ 400000 5105.90 13853.89 36.79 6116.81 25775.40 23.74 1168.57 3027.98 38.59 1259.65 3184.25 39.56 331.28 485.97 68.41

_star_test03_test_ 400000 4967.85 13846.06 35.84 7017.70 25575.13 27.43 1166.79 3029.96 38.51 1259.35 3190.65 39.47 351.59 488.64 72.06

_star_test04_test_ 400000 4810.84 13955.10 34.47 5635.85 23721.75 23.76 1166.18 3023.65 38.57 1241.13 3187.31 38.94 304.73 474.02 64.97

IOzone profiling

The profiling gives a gross performance view for several kByte buffer and several file size.

		Block IO						Character						Random
		fwrite			fread			putc			getc			seek
Machine/FS	KB	KB/sec Real	KB/sec CPU	%CPU	KB/sec Real	KB/sec CPU	%CPU	KB/sec Real	KB/sec CPU	%CPU	KB/sec Real	KB/sec CPU	%CPU	KB/sec Real	KB/sec CPU	%CPU
_star_test00_	400000	15929.91	16025.64	99.40	47281.32	47281.32	100.00	3087.85	3091.91	99.87	3324.47	3333.61	99.73	503.38	505.99	99.48
_star_test01_	400000	15692.43	16038.49	97.84	44296.79	44395.12	99.78	2863.48	2989.54	95.78	3320.05	3326.13	99.82	512.63	512.63	100.00
_star_test02_	400000	15898.25	15917.23	99.88	47904.19	47904.19	100.00	3079.05	3093.82	99.52	3339.18	3340.57	99.96	495.72	495.72	100.00
_star_test03_	400000	15649.45	16025.64	97.65	46728.97	46728.97	100.00	3095.74	3096.93	99.96	3340.01	3340.85	99.97	511.29	511.29	100.00
_star_test04_	400000	15829.05	15866.72	99.76	46674.45	46674.45	100.00	3092.39	3093.10	99.98	3336.39	3337.78	99.96	512.63	512.63	100.00
P_star_test00_test_	400000	13764.62	14487.50	95.01	14942.10	29563.93	50.54	2405.44	3005.26	80.04	2455.19	3222.95	76.18	417.33	503.38	82.91
P_star_test01_test_	400000	10896.21	13774.10	79.11	13080.44	28228.65	46.34	2335.90	3005.49	77.72	2477.55	3203.07	77.35	516.70	516.70	100.00
P_star_test02_test_	400000	12161.75	13637.91	89.18	13067.62	27991.60	46.68	2370.37	3015.68	78.60	2575.49	3188.78	80.77	494.46	494.46	100.00
P_star_test03_test_	400000	10065.43	13642.56	73.78	14347.20	29585.80	48.49	2278.81	3025.72	75.31	2621.40	3215.95	81.51	499.52	504.68	98.98
P_star_test04_test_	400000	10060.36	13490.73	74.57	15390.53	31923.38	48.21	2316.02	3023.89	76.59	2560.49	3205.13	79.89	483.45	522.23	92.57
_star_test01_test_	400000	5035.11	13944.03	36.12	6100.10	24830.92	24.57	1171.17	3030.91	38.65	1273.36	3190.93	39.91	329.30	488.92	67.35
_star_test02_test_	400000	5105.90	13853.89	36.79	6116.81	25775.40	23.74	1168.57	3027.98	38.59	1259.65	3184.25	39.56	331.28	485.97	68.41
_star_test03_test_	400000	4967.85	13846.06	35.84	7017.70	25575.13	27.43	1166.79	3029.96	38.51	1259.35	3190.65	39.47	351.59	488.64	72.06
_star_test04_test_	400000	4810.84	13955.10	34.47	5635.85	23721.75	23.76	1166.18	3023.65	38.57	1241.13	3187.31	38.94	304.73	474.02	64.97